| Company Name | Type | Status |
|---|---|---|
| BIOGAS COMPANY LIMITED | Private company limited by shares | Live |
| BIOGAS CHINA CO. LIMITED | Private company limited by shares | Dissolved |
| CHINA BIOGAS LIMITED | Private company limited by shares | Dissolved |
| Scandinavian Biogas China Limited | Private company limited by shares | Dissolved |
| HUO LONG BIOGAS LIMITED | Private company limited by shares | Live |